This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the root cause of the reported event is unable to be determined.However, the likely cause of the reported event is due to external stress was applied to lock lever of the connecting tube, which led to breakage of the tube.The event can be detected and prevented by following the instructions for use (ifu) sections which state: chapter 5 inspection and preparation before use 5.7 inspecting the connecting tubes and leak test air tube before using the reprocessor, always check that there is no irregularity regarding the following points on the connecting tubes and leak test air tube.All tubes should be free of cracks, breaks, fissures, scratches, or stains.There should be no cracks in the lock levers of connecting tube connectors and leak test air tube connectors.There should be no bends or breaks in the pin of connecting tubes connector and leak test air tube connector.The tube should not be easy to disconnect once connected.Olympus will continue to monitor field performance for this device.
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